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Anatomy of the Central Nervous System: Brain and Spinal Cord

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Anatomy of the Central Nervous System: Brain and Spinal Cord

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Questions and Answers

What is the primary function of the choroid plexus of capillaries?

To produce cerebrospinal fluid (correct)

To control the body's motor movements

To regulate the blood pressure in the brain

To filter out waste from the cerebrospinal fluid

Which ventricle is located between the pons and the cerebellum?

Lateral ventricle

Third ventricle

Cerebral aqueduct

Fourth ventricle (correct)

What is the main function of the cerebrospinal fluid?

To transmit nerve messages

To store sensory information

To provide buoyancy and protection to the brain (correct)

To regulate the body's temperature

Which part of the brain is responsible for initiating voluntary motor activities?

Cerebrum Signup and view all the answers

What is the result of an incision completely through the corpus callosum?

The patient's brain becomes separated into two hemispheres Signup and view all the answers

What is the name of the small channel that runs through the midbrain?

Cerebral aqueduct Signup and view all the answers

What is the purpose of the arachnoid villi?

To absorb cerebrospinal fluid into the venous sinus Signup and view all the answers

How much cerebrospinal fluid does the brain produce and absorb daily?

500 ml Signup and view all the answers

Which part of the brain acts as a relay station for nerve messages?

Pons Signup and view all the answers

What is the composition of cerebrospinal fluid compared to plasma?

It has more Na+ and Cl- but less K+ and Ca+2 Signup and view all the answers